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9QAX

The catalytic core with C2 symmetry of human telomerase dimer

Functional Information from PROSITE/UniProt
site_idPS00046
Number of Residues7
DetailsHISTONE_H2A Histone H2A signature. AGLqFPV
ChainResidueDetails
LALA22-VAL28

site_idPS00357
Number of Residues23
DetailsHISTONE_H2B Histone H2B signature. REIQTavRlLLpGELaKHAVSEG
ChainResidueDetails
MARG93-GLY115

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues330
DetailsDomain: {"description":"Reverse transcriptase","evidences":[{"source":"PROSITE-ProRule","id":"PRU00405","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues4
DetailsRegion: {"description":"Required for regulating specificity for telomeric DNA and for processivity for primer elongation"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues20
DetailsRegion: {"description":"CP motif"}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues14
DetailsRegion: {"description":"Required for oligomerization"}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues4
DetailsRegion: {"description":"Primer grip sequence"}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues196
DetailsRegion: {"description":"CTE"}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues5
DetailsMotif: {"description":"TFLY; involved in RNA binding","evidences":[{"source":"UniProtKB","id":"Q4KTA7","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues3
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00405","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues1
DetailsSite: {"description":"Required for optimal binding of telomeric ssDNA and incorporation of nucleotides at the second position of the template"}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues1
DetailsSite: {"description":"Required for nucleotide incorporation and primer extension rate"}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine; by DYRK2","evidences":[{"source":"PubMed","id":"23362280","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI12
Number of Residues1
DetailsModified residue: {"description":"Phosphotyrosine; by SRC-type Tyr-kinases","evidences":[{"source":"PubMed","id":"12808100","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"18829466","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI13
Number of Residues2
DetailsMotif: {"description":"PWI"}
ChainResidueDetails

site_idSWS_FT_FI14
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"19690332","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"24275569","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

239149

PDB entries from 2025-07-23

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